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OpenAdvisories
Medium USN-7015-3 1 CVE

python2.7, python3.5 vulnerability

Published Oct 1, 2024 · Updated Jun 25, 2026

Summary

USN-7015-1 fixed several vulnerabilities in Python. This update provides
the corresponding updates for CVE-2023-27043 for python2.7 in Ubuntu 16.04
LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS, and for
python3.5 in Ubuntu 16.04 LTS.

Original advisory details:

It was discovered that the Python email module incorrectly parsed email
addresses that contain special characters. A remote attacker could
possibly use this issue to bypass certain protection mechanisms.
(CVE-2023-27043)

It was discovered that Python allowed excessive backtracking while parsing
certain tarfile headers. A remote attacker could possibly use this issue
to cause Python to consume resources, leading to a denial of service.
(CVE-2024-6232)

It was discovered that the Python email module incorrectly quoted newlines
for email headers. A remote attacker could possibly use this issue to
perform header injection. (CVE-2024-6923)

It was discovered that the Python http.cookies module incorrectly handled
parsing cookies that contained backslashes for quoted characters. A remote
attacker could possibly use this issue to cause Python to consume
resources, leading to a denial of service. (CVE-2024-7592)

It was discovered that the Python zipfile module incorrectly handled
certain malformed zip files. A remote attacker could possibly use this
issue to cause Python to stop responding, resulting in a denial of
service. (CVE-2024-8088)

Fixed packages 5

ReleasePackageFixed in
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS python2.7 2.7.12-1ubuntu0~16.04.18+esm11
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS python3.5 3.5.2-2ubuntu0~16.04.13+esm15
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS python2.7 2.7.17-1~18.04ubuntu1.13+esm6
Ubuntu · Pro 20.04 LTS Pro:20.04:LTS python2.7 2.7.18-1~20.04.4+esm3
Ubuntu · Pro 22.04 LTS Pro:22.04:LTS python2.7 2.7.18-13ubuntu1.2+esm3

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2023-27043